Paving The Way For Green Roadshttp://apocadocs.com/s.pl?1203869949
"We have a real opportunity to re-build the infrastructure the right way with sustainable materials and socially sensitive designs that protect air, water, land, and human resources".... "The cost of building a road is not reflected fully in the price of materials," Gardner adds. "The total cost of mining virgin materials, for instance, involves not only the cost of materials and labor, but also the environmental cost at the mining site, the environmental costs... of transporting these materials to the building site, and the environmental costs of building the equipment to mine and transport material and build the roads."